org.mybatis.dynamic.sql.util.mybatis3

Interface CommonCountMapper

public interface CommonCountMapper

This is a general purpose MyBatis mapper for count statements. Count statements are select statements that always return a long.

This mapper can be injected as-is into a MyBatis configuration, or it can be extended with existing mappers.

Author:

Jeff Butler

Method Summary

Modifier and Type	Method and Description
long	count(SelectStatementProvider selectStatement) Execute a select statement that returns a long (typically a select(count(*)) statement).

Method Detail

count

@SelectProvider(type=SqlProviderAdapter.class,
                method="select")
long count(SelectStatementProvider selectStatement)

Execute a select statement that returns a long (typically a select(count(*)) statement). This mapper assumes the statement returns a single row with a single column that cen be retrieved as a long.

Parameters:

selectStatement - the select statement

Returns:

the long value